32
RE1: Not used.
RE2: Delay 1 Time
Displayed as: Dly1Time
Initial value: 64
Range of adjustment: 0 to 127
This parameter sets the basic delay time. With Dly1Sync (see RE3 below) set to Off, the
note played will be repeated after a fixed time. Higher values correspond to a longer delay,
with the maximum value of 127 equating to approx. 700 ms. If Delay Time is varied (either
manually or via modulation), while a note is being played, pitch shifting will result. See also
Delay Slew, RE7.
RE3: Delay 1 Sync
Displayed as: Dly1Sync
Initial value: Off
Range of adjustment: see table at page 40
Delay time may synchronised to the internal or external MIDI clock, using a wide variety of
tempo dividers/multipliers to produce delays from about 5 ms to 1 second.
Be aware that the total delay time available is finite. Using large tempo divisions at
a very slow tempo rate may exceed the delay time limit.
RE4: Delay 1 Feedback
Displayed as: Dly1Fbck
Initial value: 64
Range of adjustment: 0 to 127
The output of the delay line is connected back to the input, at a reduced level; Delay 1
Feedback sets the level. This results in multiple echoes, as the delayed signal is further
repeated. With Dly1Fbck set to zero, no delayed signal at all is fed back, so only a single
echo results. As you increase the value, you will hear more echoes for each note, though
they still die away in volume. Setting the control in the centre of its range (64) results in
about 5 or 6 audible echoes; at the maximum setting, the repetitions will still be audible
after a minute or more.
RE5: Delay 1 Left-Right Ratio
Displayed as: Dly1L/R
Initial value: 1/1
Range of adjustment: 1/1, 4/3, 3/4, 3/2, 2/3, 2/1,1/2, 3/1, 1/3, 4/1, 1/4, 1/OFF, OFF/1
The value of this parameter is a ratio, and determines how each delayed note is distributed
between the left and right outputs. Setting Dly1L/R to the default 1/1 value places all ech-
oes centrally in the stereo image. With other values, the larger number represents the delay
time, and an echo will be produced at this time in one channel only, depending whether the
larger number is to the left of the slash or the right. It will be accompanied by a faster echo
in the other channel, at a time defined by the ratio of the two numbers. Values with OFF to
one side of the slash result in all the echoes being in one channel only.
The PanPosn parameter (FX Menu Page 1, RE2) sets the overall stereo place-
ment of both the initial note and its delayed repetitions, and takes precedence.
This means, for example, that if you select 1/OFF as the L/R Ratio, so that all
the echoes are on the left, these echoes will gradually diminish if you set a positive value
of PanPosn, which pans the signal to the right. When PanPosn is at +63 (fully right), you
will hear no echoes at all.
RE6: Delay 1 Stereo Image Width
Displayed as: Dly1Wdth
Initial value: 127
Range of adjustment: 0 to 127
The Width parameter is only really relevant to settings of Delay L/R Ratio which result
in the echoes being split across the stereo image. With its default value of 127, any stereo
placement of delayed signals will be fully left and fully right. Decreasing the value of Dly-
1Wdth reduces the width of the stereo image and panned echoes are at an intermediate
position between centre and fully left or right.
RE7: Delay 1 Slew Rate
Displayed as: Dly1Slew
Initial value: Off
Range of adjustment: Off, 1 to 127
Delay 1 Slew Rate only has an effect on the sound when the Delay Time is being modu-
lated. Modulating delay time produces pitch-shifting. With DSP-generated delays, very fast
changes of delay time are possible, but these may produce unwelcome effects, including
digital glitching and clicks. Delay Slew Rate effectively slows the applied modulation
down, so that any such glitches resulting from trying to change the delay time too rapidly
may be avoided. The default value of Off corresponds to the maximum rate of change, and
the delay time will attempt to follow any modulation accurately. Higher values will produce
a smoother effect.
RE8: Not used.
Reverb Menu
The Reverb algorithms add the effect of an acoustic space to a sound. Unlike delay, rever-
beration is created by generating a dense set of delayed signals, typically with different
phase relationships and equalisations applied to re-create what happens to sound in a real
acoustic space.
The Ultranova has two reverb processors. These can be loaded into any two FX slots. Their
facilities are identical; the example below illustrates Reverb 1.
RE1: Not used.
RE2: Reverb Type
Displayed as: Rvb1Time
Initial value: LrgHall
Range of adjustment: Chamber, Small Room, Large Room, Small Hall, Large Hall, Great
Hall
UltraNova provides six different reverb algorithms, designed to simulate the reflections
which occur in rooms and halls of various sizes.
RE3: Reverb Decay
Displayed as: Rvb1Dec
Initial value: 90
Range of adjustment: 0 to 127
The Decay parameter sets the basic reverb time of the selected space. It can be thought of
as setting the size of the room.
RE4 to RE8: Not used.
Chorus Menu
Chorus is an effect produced by mixing a continuously delayed version of the signal with
the original. The characteristic swirling effect is produced by the Chorus processor’s own
LFO making very small changes in the delays. The changing delay also produces the effect
of multiple voices, some of which are pitch-shifted; this adds to the effect.
The Chorus processor can also be configured as a Phaser, where varying phase shift is
applied to the signal in specific frequency bands, and the result remixed with the original
signal. The familiar ‘swishing’ effect is the result.
The UltraNova has four chorus processors. These may be loaded into any four FX slots.
Their facilities are identical; the example below illustrates Chorus 1. Note that although the
parameters are named ‘Chorus’, they are all effective in both Chorus and Phaser modes.
RE1: Not used.
RE2: Chorus 1 Type
Displayed as: Ch1Type
Initial value: Chorus
Range of adjustment: Chorus or Phaser
Configures the FX processor as either a Chorus or Phaser.
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